34.8×6.3+13×1.25+473×0.37
=348×0.63+0.13×125+348×0.37+125×0.37
=348×(0.63+0.37)+(0.13+0.37)×125
=348×1+0.5×125
=348+62.5
=410.5
六点三乘五点零四加零点三七乘五十点四简便运算6.3*5.04+0.37*50.4
=6.3*5.04+(0.37*5.04*10)
=(6.3+0.37*10)*5.04
=(6.3+3.7)*5.04
=10*5.04
=50.4
零零九八乘以六点三加零点酒吧乘以三点七怎么用简便演算法原式
=0.98x6.3+0.98x3.7
=0.98x(6.3+3.7)
=0.98x10
=9.8
五点六乘零点三七五加零点三七五乘五点四战零点三七五乘零点九(用简便方法)5.6×0.375+0.375×5.4-0.375×0.9
=0.375×(5.6+5.4-0.9)
=0.375×10.1
=0.375×(10+0.1)
=3.75-0.0375
3.8乘0.45加零点三八乘5.5简便方法计算3.8乘0.45加零点三八乘5.5简便方法计算
3.8×0.45+0.38×5.5
=3.8×(0.45+0.55)
=3.8×1
=3.8
三点八乘零点四五加零点三八乘四点二加零点038乘十三的简便演算法
乘法结合率
3.8×0.45+0.38×4.2+0.038×13=3.8×0.45+3.8×0.42+3.8×0.13=3.8×(0.45+0.42+0.13)=3.8×1=3.8
四十九点八乘二点几三加二点几三乘五十点三加零点二七三有简便方法计算49.8x2.73+2.73x50.3+0.273
=49.8x2.73+2.73x50.3+2.73x0.1
=2.73x(49.8+50.3+0.1)
=2.73x(100.1+0.1)
=2.73x100.2
=2.73x100+2.73x0.2
=273+0.546
=273.546
零点六乘八点七加零点六加四十点三乘零点六的简便用算方法您好,寒樱暖暖为你解答:
0.6×8.7+0.6+40.3×0.6
=0.6×(8.7+1+40.3)
=0.6×50
=30
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五分之十六乘以零点三三加二十五分之八乘以六点七16/5x0.33+8/25x6.7
=0.32x3.3+0.32x6.7
=0.32x(3.3+6.7)
=0.32x10
=3.2
零点三六乘一点五乘八点七简便方法0.3x1.5x8.7
=(3x15x87)/1000
=3915/1000
=3.915
该题无法用分配律二点八除以五分之三加(零点五二加零点六)
=2.8÷3/5+(0.52+0.6)
=2.8X5/3+1.12
=14/3+28/25
=350/75+84/75
=434/75
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